copy and paste waves to another datafolder

something like this?

menu "DataBrowserObjectsPopup", dynamic
	ValidBrowserSelection(0), /Q, CopyPasteWaves(0)
	ValidBrowserSelection(1), /Q, CopyPasteWaves(1)
end

function /S ValidBrowserSelection(int mode)
	if (strlen(GetBrowserSelection(-1)) == 0)
		return ""	// Data Browser is not open
	endif
	switch (mode)
		case 0:
			return SelectString(ItemsInList(getListOfBrowserWaves())-1, "", "Copy Wave", "Copy Waves")
			break
		case 1:
		case 2:
			// should check here that we have a sensible destination selected
			if (strlen(GetBrowserSelection(1)))
				return ""
			endif
			SVAR /Z copylist = getDFR():copylist
			if (SVAR_Exists(copylist))
				return SelectString(ItemsInList(copylist)-1, "", "Paste Wave", "Paste Waves")
			endif
			break
	endswitch
	return ""
end

function /DF getDFR()
	NewDataFolder/O root:Packages
	NewDataFolder/O root:Packages:CopyPaste
	DFREF dfr = root:Packages:CopyPaste
	return dfr
end
	
function /S getListOfBrowserWaves()
	string item = "", listofwaves = ""
	int i = 0
	do
		item = GetBrowserSelection(i)
		if (strlen(item) == 0)
			break
		endif
		wave /Z w = $item
		if (WaveExists(w))
			listofwaves = AddListItem(GetWavesDataFolder(w, 2), listofwaves)
		endif
		i ++
	while(1)
	return listofwaves
end

function CopyPasteWaves(int mode)	 
	
	string targetpath, strWave
	int numwaves, i
	
	switch(mode)
	case 0:
	 	string /G getDFR():copylist = getListOfBrowserWaves()
		break
	case 1:
		SVAR copylist = getDFR():copylist
		targetpath =  GetBrowserSelection(0)
		DFREF dfr = $targetpath
		if (DataFolderRefStatus(dfr) == 0)
			targetpath = ParseFilePath(1, GetBrowserSelection(0), ":", 1, 0)
			DFREF dfr = $targetpath
		endif
		if (DataFolderRefStatus(dfr) == 0)
			return 0
		endif
		numwaves = ItemsInList(copylist)
		for (i=0;i<numwaves;i++)
			strWave = StringFromList(i, copylist)
			wave /Z sourcewave = $strWave
			if (!WaveExists(sourcewave))
				continue
			endif
			strWave = ParseFilePath(0, strWave, ":", 1, 0)
			wave /Z targetwave = dfr:$strWave
			if (WaveExists(targetwave))
				DoAlert 1, strWave + " exists. Overwrite?"
				if (v_flag == 2)
					continue
				endif
			endif
			Duplicate /O sourcewave $targetpath + strWave
		endfor
		break
	endswitch
end

Note that drag and drop achieves the same as 'cut' and 'paste'.

Also, you will need Igor 9 to access the DataBrowserObjectsPopup menu

Note that you can also achieve something like copy & paste via drag and drop while holding the 'alt' or 'ctrl' key. A small + icon will appear next to the mouse cursor in this case. This works of course with multiple waves selected as well as with folders.

Option on a mac.

That's a whole lot easier.

Thank you very much. Your code works perfectly. It is far beyond my expectation.

This copy and paste menu should be a native feature for future Igor.